今天我第一次在Fedora 21上安装了docker。现在,我需要将docker images文件夹的位置从default /var/lib/docker更改。
在复制文件(跳过devicemapper子文件夹,docker服务停止)并更改/etc/sysconfig/docker (添加-g选项)之后,我再次运行docker服务,没有问题,创建了devicemapper/metadata。
接下来,我尝试拉出第一张图片:
docker pull centos
但是发生了这个错误:
docker pull centos
latest: Pulling from docker.io/centos
6941bfcbbfca: Download complete
6941bfcbbfca: Error downloading dependent layers
41459f052977: Downloading [==========================> ] 41.61 MB/77.28 MB
fd44297e2ddb: Error pulling image (latest) from docker.io/centos, endpoint: https://registry-1.docker.io/v1/, Driver devicemapper failed to create image rootfs 6941bfcbbfca7f4f48becd38f2639157042bfd44297e2ddb: Error pulling image (latest) from docker.io/centos, Driver devicemapper failed to create image rootfs 6941bfcbbfca7f4f48becd38f2639157042b5cf9ab8c080f1d8b6d047380ecfc: Error running DeviceCreate (createSnapDevice) dm_task_run failed
FATA[0013] Error pulling image (latest) from docker.io/centos, Driver devicemapper failed to create image rootfs 6941bfcbbfca7f4f48becd38f2639157042b5cf9ab8c080f1d8b6d047380ecfc: Error running DeviceCreate (createSnapDevice) dm_task_run failed
如果我在不改变位置的情况下尝试--好的,没问题。
如何修复它?
https://stackoverflow.com/questions/30719896
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